linux-kernel - Re: [PATCH v2] base: soc: Handle custom soc information sysfs entries

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Date:   Tue, 8 Oct 2019 11:06:31 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        Murali Nalajala <mnalajal@...eaurora.org>, rafael@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] base: soc: Handle custom soc information sysfs entries

On Tue 08 Oct 08:43 PDT 2019, Greg KH wrote:

> On Tue, Oct 08, 2019 at 08:33:11AM -0700, Stephen Boyd wrote:
> > Quoting Murali Nalajala (2019-10-07 13:37:42)
> > > Soc framework exposed sysfs entries are not sufficient for some
> > > of the h/w platforms. Currently there is no interface where soc
> > > drivers can expose further information about their SoCs via soc
> > > framework. This change address this limitation where clients can
> > > pass their custom entries as attribute group and soc framework
> > > would expose them as sysfs properties.
> > > 
> > > Signed-off-by: Murali Nalajala <mnalajal@...eaurora.org>
> > > ---
> > 
> > Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> > 
> 
> Nice, can we convert the existing soc drivers to use this interface
> instead of the "export the device pointer" mess that they currently
> have?  That way we can drop that function entirely.
> 

Unfortunately we can't just drop it, because it's used on some SoCs as
the parent of all platform_devices. 

But we can definitely get rid of all that uses it to create sysfs files.

Regards,
Bjorn